Cita APA (7a ed.)

Spear, A. H. (2010). Crossing the barriers: The autobiography of Allan H. Spear. University of Minnesota Press.

Cita Chicago Style (17a ed.)

Spear, Allan H. Crossing the Barriers: The Autobiography of Allan H. Spear. Minneapolis: University of Minnesota Press, 2010.

Cita MLA (8a ed.)

Spear, Allan H. Crossing the Barriers: The Autobiography of Allan H. Spear. University of Minnesota Press, 2010.